Tools Required
J 39400-A Halogen Leak
Detector
Removal Procedure
- Recover the refrigerant. Refer to
Refrigerant Recovery and Recharging
.
- Drain the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
- Remove the nuts (3) from rear A/C line
block fittings.
Important: Cap or tape the open A/C refrigerant lines immediately.
- Remove the A/C line block fittings and discard the O-ring seals.
- Remove the nuts from the heater hoses
block fittings.
- Remove the heater hoses block fittings from the HVAC module-auxiliary.
- Remove the nuts from the HVAC module studs.
- Lower the vehicle.
- Remove the right side rear quarter trim. Refer to
Rear Quarter Trim Panel Replacement - Right Side
in Interior Trim.
- Disconnect the electrical connectors from
the HVAC module.
- Disconnect the rear compartment air outlet ducts (5) from the
HVAC module (3).
- Remove the mounting bolts (5) from the HVAC
module.
- Remove the HVAC module (1).
- Remove and discard the HVAC module pass through seal.
Installation Procedure
- Install new HVAC module pass through seal. Refer to
Auxiliary HVAC Module Pass Thru Seal Replacement
.
- Install the HVAC module (1).
Notice: Use the correct fastener in the correct location. Replacement fasteners
must be the correct part number for that application. Fasteners requiring
replacement or fasteners requiring the use of thread locking compound or sealant
are identified in the service procedure. Do not use paints, lubricants, or
corrosion inhibitors on fasteners or fastener joint surfaces unless specified.
These coatings affect fastener torque and joint clamping force and may damage
the fastener. Use the correct tightening sequence and specifications when
installing fasteners in order to avoid damage to parts and systems.
- Install the HVAC module mounting bolts (5).
Tighten
Tighten the bolts to 10 N·m (89 lb in).
- Install the air outlet ducts (5).
- Connect the electrical connectors.
- Install the right side rear quarter trim panel. Refer to
Rear Quarter Trim Panel Replacement - Right Side
in Interior Trim.
- Raise and support the vehicle.
- Connect the heater hoses to the heater
core.
- Install the nuts to the HVAC module studs.
Tighten
Tighten the nuts to 10 N·m (89 lb in).
- Remove the cap or tape from the A/C lines.
- Install the new O-ring seals. Refer to
O-Ring Replacement
.
- Install the nuts (3) to the evaporator
core studs.
Tighten
Tighten the nuts to 20 N·m (15 lb ft).
- Lower the vehicle.
- Fill the cooling system. Refer to
Cooling System Draining and Filling
in Engine Cooling.
- Evacuate and charge the system. Refer to
Refrigerant Recovery and Recharging
.
- Leak test the fittings of the components using the J 39400-A
.